Over the past 10 years, David Einhorn returned -36.5% compared to 257.4% for the S&P 500 — underperformed the S&P 500 by 293.9%.
4.4%
S&P 500: 15.0%
46.0%
S&P 500: 81.3%
70.4%
S&P 500: 79.5%
-36.5%
S&P 500: 257.4%